the big difference, it's been done with the pentagon's blessing. claudine wong, ktvu channel 2 news. >> thank you. >>> 7:32. renovations may have sparked a large house fire in san francisco. around 7:00 last night, flames shot out of the roof of the home on fernwood drive, not far from san francisco state university. part of the roof caved in making it unsafe for firefighters to enter the home. it had been vacant for years after the death of its owner. a contractor just bought the house and resumed renovations a few weeks ago. >> this house was on fire like i've never seen before. it was the most frightening thing i've ever seen t was unbelievable how hot and bright it was. >> reporter: neighbor the -- >> neighbors speculate the fire may have been spotted with the roof repairs -- repairs. >>> the bad weather overnight caused problems in san francisco. lightning may have flocked out three separate transformers in the noe valley area. last word, 100 customers still have no power. mo word yet from pg&e about when the power will be restored. >>> power